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Abstract

An experiment was conducted for a period of 4 weeks with a total of 90crossbred pullets of 8 weeks age providing different feeds supplementation in semi-scavenging system. The pullets were weighed and randomly allocated to five feeding regimes e.g. complete scavenging (CS; as control), supplemented with Balanced Feed (BFS), Broken Rice (BRS), Soyabean Crust (SCS) and Broken Rice plus Soyabean Crust (BRS+SCS) with the aim at investigating the growth performance and to recommend a suitable feed regime. Highest live weight gain (p< 0.01) was obtained on BFS at all ages followed by SCS, BRS, BRS+SCS and CS feeding regime. Feed conversion of supplementary feeding was highest on BFS while it was medium on SCS and lowest on BRS & (BRS+SCS) at 9 and 12 weeks of age. Where as, it was more or less similar on different supplementary feeds during 10 and 11 weeks of age. On the other hand, breast meat, wing meat, giblet yield as well as dressed yield were significantly (p<0.01) higher in BFS and lower in CS, BRS, SCS and (BRS+ SCS). But, the thigh meat were more or less similar (P>0.05) in all feeding regimes. However, balanced feed supplementation (BFS) (40% of their- total estimated requirement) found more effective than any other supplementation. Thus, the poultry raisers may adopt the feeding system in semi-scavenging condition for optimum production performance.

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